Home / 217,820.10-326,580.30-110,997.30

Finding the Fourth Proportional to 217,820.10, 326,580.30 and 110,997.30

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Solution

The fourth proportional to 217,820.10, 326,580.30 and 110,997.30 is: 166,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,820.10 : 326,580.30 = 110,997.30 : x
  2. Step 2: Convert to fraction form
    217,820.10/326,580.30 = 110,997.30/x
  3. Step 3: Cross multiply
    217,820.10x = 326,580.30 × 110,997.30
  4. Step 4: Simplify right side
    217,820.10x = 36,249,531,533.19
  5. Step 5: Solve for x
    x = 36,249,531,533.19/217,820.10
  6. Step 6: Final answer
    x = 166,419.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.